Rekensommen met eraf tot 100

Erafsommen
1.
35
–
15
=
2.
35
–
25
=
3.
15
–
5
=
4.
70
–
25
=
5.
90
–
10
=
6.
100
–
20
=
7.
45
–
10
=
8.
20
–
0
=
9.
80
–
60
=
10.
10
–
5
=
11.
40
–
25
=
12.
50
–
15
=
13.
40
–
30
=
14.
85
–
30
=
15.
20
–
20
=
16.
80
–
15
=
17.
100
–
70
=
18.
40
–
0
=
19.
45
–
5
=
20.
90
–
0
=
21.
100
–
40
=
22.
25
–
10
=
23.
65
–
10
=
24.
20
–
0
=
25.
40
–
15
=
26.
85
–
35
=
27.
60
–
25
=
28.
80
–
55
=
29.
95
–
60
=
30.
90
–
60
=
31.
45
–
40
=
32.
45
–
35
=
33.
85
–
35
=
34.
65
–
55
=
35.
20
–
20
=
36.
40
–
5
=
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Rekensommen met eraf tot 100
| ANTWOORDEN

Erafsommen
1.
35
–
15
=
20
2.
35
–
25
=
10
3.
15
–
5
=
10
4.
70
–
25
=
45
5.
90
–
10
=
80
6.
100
–
20
=
80
7.
45
–
10
=
35
8.
20
–
0
=
20
9.
80
–
60
=
20
10.
10
–
5
=
5
11.
40
–
25
=
15
12.
50
–
15
=
35
13.
40
–
30
=
10
14.
85
–
30
=
55
15.
20
–
20
=
0
16.
80
–
15
=
65
17.
100
–
70
=
30
18.
40
–
0
=
40
19.
45
–
5
=
40
20.
90
–
0
=
90
21.
100
–
40
=
60
22.
25
–
10
=
15
23.
65
–
10
=
55
24.
20
–
0
=
20
25.
40
–
15
=
25
26.
85
–
35
=
50
27.
60
–
25
=
35
28.
80
–
55
=
25
29.
95
–
60
=
35
30.
90
–
60
=
30
31.
45
–
40
=
5
32.
45
–
35
=
10
33.
85
–
35
=
50
34.
65
–
55
=
10
35.
20
–
20
=
0
36.
40
–
5
=
35
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen